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Add baseURL to the URLPattern condition while routing rule regustration
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This CL changes the behavior of the router rule registration in the
ServiceWorker Static Routing API, especially when the |urlPattern|
condition accepts the URLPatternInit object.

Before this CL, the URLPatternInit input is accepted as it is, that
means any unspecified fields are resulted in the wildcards (*). This
behavior is inconsistent with the case when |urlPattern| accepts a
string. When a string is passed, missing fields are complemented by
baseURL, which the SW script URL is internally used when adding the new
router rule. So some missing components will use the values inherited
from the baseURL in that case.

After this CL, the URLPatternInit input also internally uses the SW
script URL as a baseURL if not provided. It typically happens when the
input is an object that complies with the URLPatterInit interface. On
the other hand, it wouldn't affect the case when URLPatternInit is the
output of `new URLPattern()`. Thank to the recent change on the
URLPattern[1], the constructed components in URLPatternInit will inherit
or wildcarded. baseURL won't override components if those are not empty.

This behavior change is based on the discussion in
whatwg/urlpattern#182.

[1] whatwg/urlpattern#198

Bug: 1371756
Change-Id: I5cce80fde05cf18237c8b6412b00e017ff5aad5b
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@sisidovski @chromium-wpt-export-bot
sisidovski authored and chromium-wpt-export-bot committed Nov 27, 2023
1 parent d196931 commit 9b76af4
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Showing 3 changed files with 99 additions and 42 deletions.
57 changes: 21 additions & 36 deletions service-workers/service-worker/tentative/static-router/resources/router-rules.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,44 +2,29 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
const routerRules = {
'condition-url-pattern-source-network': [
{
condition: {
urlPattern: new URLPattern({
pathname: '/**/direct.txt'
})
},
source: 'network'
},

'condition-urlpattern-constructed-source-network': [{
condition: {urlPattern: new URLPattern({pathname: '/**/direct.txt'})},
source: 'network'
}],
'condition-urlpattern-urlpatterninit-source-network': [
{condition: {urlPattern: {pathname: '/**/direct.txt'}}, source: 'network'},
],
'condition-request-source-network': [
{
condition: {
requestMode: 'no-cors'
},
source: 'network'
}
],
'condition-or-source-network': [
{
condition: {
or: [
{
or: [
{
urlPattern: '/**/or-test/direct1.*??*'
}
],
},
{
urlPattern: '/**/or-test/direct2.*??*'
}
]
},
source: 'network'
}
'condition-urlpattern-string-source-network': [
{condition: {urlPattern: '/**/direct.txt'}, source: 'network'},
],
'condition-request-source-network':
[{condition: {requestMode: 'no-cors'}, source: 'network'}],
'condition-or-source-network': [{
condition: {
or: [
{
or: [{urlPattern: '/**/or-test/direct1.*??*'}],
},
{urlPattern: '/**/or-test/direct2.*??*'}
]
},
source: 'network'
}],
};

export {routerRules};
2 changes: 1 addition & 1 deletion ...ice-workers/service-worker/tentative/static-router/static-router-main-resource.https.html
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@
<body>
<script>
const SCRIPT = 'resources/static-router-sw.js';
const ROUTER_RULE_KEY = 'condition-url-pattern-source-network'
const ROUTER_RULE_KEY = 'condition-urlpattern-constructed-source-network';
const SCOPE = 'resources/';
const REGISTERED_ROUTE = 'resources/direct.txt';
const NON_REGISTERED_ROUTE = 'resources/simple.html';
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82 changes: 77 additions & 5 deletions service-workers/service-worker/tentative/static-router/static-router-subresource.https.html
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Original file line number Diff line number Diff line change
Expand Up @@ -4,10 +4,16 @@
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<body>
<script>
const SCRIPT = 'resources/static-router-sw.js';
const ROUTER_RULE_KEY_URL_PATTERN = 'condition-url-pattern-source-network'
const ROUTER_RULE_KEY_URL_PATTERN_CONSTRUCTED =
'condition-urlpattern-constructed-source-network';
const ROUTER_RULE_KEY_URL_PATTERN_URLPATTERNINIT =
'condition-urlpattern-urlpatterninit-source-network';
const ROUTER_RULE_KEY_URL_PATTERN_STRING =
'condition-urlpattern-string-source-network';
const ROUTER_RULE_KEY_REQUEST = 'condition-request-source-network'
const ROUTER_RULE_KEY_OR = 'condition-or-source-network'
const SCOPE = 'resources/';
Expand All @@ -29,11 +35,12 @@
const reg = await service_worker_unregister_and_register(
t, swURL, SCOPE, {type: 'module'});
add_completion_callback(() => reg.unregister());
await wait_for_state(t, reg.installing, 'activated');
const worker = reg.installing;
await wait_for_state(t, worker, 'activated');
const iframe = await with_iframe(url);
const iwin = iframe.contentWindow;
t.add_cleanup(() => iframe.remove());
await callback(t, iwin);
await callback(t, iwin, worker);
}, name);
}

Expand All @@ -45,18 +52,83 @@
return result;
}

iframeTest(HTML_FILE, ROUTER_RULE_KEY_URL_PATTERN, async (t, iwin) => {
function get_fetched_urls(worker) {
return new Promise(function(resolve) {
var channel = new MessageChannel();
channel.port1.onmessage = function(msg) { resolve(msg); };
worker.postMessage({port: channel.port2}, [channel.port2]);
});
}

iframeTest(HTML_FILE, ROUTER_RULE_KEY_URL_PATTERN_CONSTRUCTED, async (t, iwin) => {
const rnd = randomString();
const response = await iwin.fetch('?nonce=' + rnd);
assert_equals(await response.text(), rnd);
}, 'Subresource load not matched with URLPattern condition');

iframeTest(TXT_FILE, ROUTER_RULE_KEY_URL_PATTERN, async (t, iwin) => {
iframeTest(TXT_FILE, ROUTER_RULE_KEY_URL_PATTERN_CONSTRUCTED, async (t, iwin) => {
const rnd = randomString();
const response = await iwin.fetch('?nonce=' + rnd);
assert_equals(await response.text(), "Network\n");
}, 'Subresource load matched with URLPattern condition');

iframeTest(TXT_FILE, ROUTER_RULE_KEY_URL_PATTERN_CONSTRUCTED, async (t, iwin, worker) => {
const rnd = randomString();
// Confirm that the given URLPatternInit has a wildcard pattern for the
// hostname. Also, if |urlPattern| is a consutructed URLPattern object,
// baseURL won't be set while adding router rules, thus it matches the cross
// origin request as far as other components matches. So expecting the direct
// network request and the fetch handler doesn't capture the response.
// The response is going to be a opaque.
const origin = get_host_info().HTTPS_REMOTE_ORIGIN;
const response = await iwin.fetch(
`${origin}/${TXT_FILE}?nonce=${rnd}`, {mode: 'no-cors'});
const fetched_urls = await get_fetched_urls(worker);
const {requests} = fetched_urls.data;
assert_equals(requests.length, 0);
assert_equals(response.type, 'opaque');
}, 'Subresource cross origin load matched with URLPattern condition via constructed object');

iframeTest(TXT_FILE, ROUTER_RULE_KEY_URL_PATTERN_URLPATTERNINIT, async (t, iwin) => {
const rnd = randomString();
const response = await iwin.fetch('?nonce=' + rnd);
assert_equals(await response.text(), "Network\n");
}, 'Subresource load matched with URLPattern condition via URLPatternInit');

iframeTest(TXT_FILE, ROUTER_RULE_KEY_URL_PATTERN_URLPATTERNINIT, async (t, iwin, worker) => {
// The SW script URL is added as a baseURL when |urlPattern| is passed via
// URLPatternInit, and there is not |baseURL| in it. Cross origin request will
// go through the fetch handler because |baseURL| info complements hostname
// with the hostname of the SW script.
const rnd = randomString();
const origin = get_host_info().HTTPS_REMOTE_ORIGIN;
const response = await iwin.fetch(`${origin}/${TXT_FILE}?nonce=${rnd}`);
const fetched_urls = await get_fetched_urls(worker);
const {requests} = fetched_urls.data;
assert_equals(requests.length, 1);
assert_equals(await response.text(), rnd);
}, 'Subresource cross origin load not matched with URLPattern condition via URLPatternInit');

iframeTest(TXT_FILE, ROUTER_RULE_KEY_URL_PATTERN_STRING, async (t, iwin) => {
const rnd = randomString();
const response = await iwin.fetch('?nonce=' + rnd);
assert_equals(await response.text(), "Network\n");
}, 'Subresource load matched with URLPattern condition via string');

iframeTest(TXT_FILE, ROUTER_RULE_KEY_URL_PATTERN_STRING, async (t, iwin, worker) => {
// The SW script URL is added as a baseURL when |urlPattern| is passed via
// string, and there is not |baseURL| in it. Cross origin request will go
// through the fetch handler because |baseURL| info complements hostname with
// the hostname of the SW script.
const rnd = randomString();
const origin = get_host_info().HTTPS_REMOTE_ORIGIN;
const response = await iwin.fetch(`${origin}/${TXT_FILE}?nonce=${rnd}`);
const fetched_urls = await get_fetched_urls(worker);
const {requests} = fetched_urls.data;
assert_equals(requests.length, 1);
assert_equals(await response.text(), rnd);
}, 'Subresource cross origin load not matched with URLPattern condition via string');

iframeTest(CSV_FILE, ROUTER_RULE_KEY_REQUEST, async (t, iwin) => {
const rnd = randomString();
const response = await iwin.fetch('?nonce=' + rnd, { mode: 'no-cors' });
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